Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3eucA 3eucB 5n2iA 5n2iB 3eucA 100 93 68 68 3eucB 97 100 67 66 5n2iA 68 68 100 99 5n2iB 66 67 99 100 FOLD SIMILARITY (Z-SCORE) 3eucA 3eucB 5n2iA 5n2iB 3eucA 61.3 48.6 3.2 3.1 3eucB 48.5 58.5 4.9 4.9 5n2iA 3.2 4.8 45.1 42.5 5n2iB 3.1 4.8 42.5 45.2